Optimisation of the experimental conditions of a new method, based on a quartz crystal microbalance, for the determination of cyanide.
A new method based on a quartz crystal microbalance was developed for the determination of cyanide. As the sensitivity depends on pH, temperature and nitrogen flow rate, a modified simplex was used to optimise these experimental parameters. Two different versions of the proposed method were optimised. For the first version a sensitivity increase of 1.5 was observed after 27 runs, whereas for the second version a sensitivity increase of 1.7 was observed after 12 runs.
Gomes
M T
MT
Department of Chemistry, University of Aveiro, Portugal.
Silva
A A
AA
Duarte
A C
AC
Oliveira
J A
JA
D003486:Cyanides / Q000032:analysis*; D009584:Nitrogen / Q000008:administration & dosage; D011791:Quartz; D012680:Sensitivity and Specificity; D014874:Water Pollutants, Chemical / Q000032:analysis
D003486:Cyanides; D014874:Water Pollutants, Chemical; D011791:Quartz; D009584:Nitrogen